Machine for picking husks



{No Model.)

F. CO-HNEN.

MACHINE FOR PIGKING HUSKS, &c.

n IW r am n0 M ha n vd B Patented Jan. 3l, 1888.

Nw l:

Unirse dramas Arana* erica.

FRANK COIINEN, OF DETROIT, MICHIGAN.

MACHlN FOR PICKlNG HUSKS, 84.0.

SPECIFICATION .Ten-ning part of Letters Patent No. 377.095, datedJanuary 31, 1888.

Application filed July 25, 18s?. Serial No. 24:153.

intended for the Amanufacture ot' mattresses' and articles of a likekind; and the invention consists, first, in the provisions made foradapting the machine for all kinds of materials, such as husks, hair,wool, &c., and, second, in the provisions made for preventing theliability of injury to the attendant.

In the drawings which accompanies the specification, Figure l is avertical central longitudinal section showing a picker arranged forpickinghusks orother materials ot' the same coarse nature. Fig. 2 showsthesame machine as arranged for picking hair or materials of the samenature, the view being` similar to that of Fig.1. Fig. 3 is a plan viewof the lower portion of the machine. Fig. Lt is a crossseetion on line x.e in Fig. 2, `arts being in elevation. Fig. 5 is a similar view on liney y in Fig. 2. removable hood detached.

A is a frame which supports the operating parts of the machine, andwhich is ofsuitable strength and construction for support.

I) is a picker-drum, preferably in the form of a wooden drum, securedupon the shaft B', which isjournaled in suitable bearings upon the frameA. This pickerdrum is provided with the usual picker-teeth, C, whichpreferably consist of steel pins secured upon the cylindrical peripheryof the picker-drum.

D is a concave secured below and in front ofthe picker-dru in andconcentrically thereto. It embraces about one-quarter of thecircumference of the pickerdrum, and is provided with picker'teethlikethe drum, which project within the interstices formed by the teethon the picker-drum.

E, Fig. 2, is a concave arranged on the upper front side of thepicker-drum. rIhis concave is provided with a reduced number ofpicker-teeth,preferably only with two rows, one

Fig. G is a perspective of the (No model.)

at the beginning and one at the end of the con cave; and this concave,instead of being fixedly secured to the frame like the other concave, ismade removable. To this end the concave E forms a portion of a removablehood, which consists of two side pieces, F, of halfcircular shape, ornearly so, provided with the rearward extensions G and table L, andwhich loosely rests upon the top of the frame A and embraces the upperpart of the bearings of shaft B, thereby holding the concave in tlXedrelation with the picker-drum.

II II are two feed-rollers journaled between the sides GGbelow the upperconcave, E, and the upper one of these feed-rollers is journaled inbearings, which are preferably carried by levers I, pivotally secured atJ to the sides of the hood, and, extending forwardly, have secured tothem the springs K, opposing their tension to the tendency of the upperfeed-roll to rise.

Motion is communicated to the picker-drum by means ofthe pulley M,secured on the shaft B, from any suitable source of power, preferablyfrom a large cranlrwheehdriven by handpower, placed at a suitabledistance in rear, and from the shaft B it is transmitted to thefeed-rolls by means ofsmall pulleys N,secured upon the shaft B, andpulleys O,secured upon the shafts of the feed-rolls H, there being astraight belt, O', on one side of the machine and a crossed belt, O2, onthe opposite side, to cause the two feedrolls to run in oppositedirections.

In practice, the machine being constructed as described, the material isplaced on the table L and evenly and gradually fed in by the feedrolls.The picker-drum,running in the direction shown by the arrow in Fig. 2,carries the material through the upper concave, where it is subjected tothe act-ion ot' the picker'teeth, and is then delivered in a pickedcondition at the rear end of the machine, where it is discharged bycentrifugal force.

It will be noticed that in this construction of the machine the lower`concave is inactive, as the upper concave only docs the work inconnect-ion with the picker-teeth.

A second arrangement ofthe machine is obtained by removing the hoodwhich carries the upper concave, then placing a simple hopper,

ICO

P, in position, as shown, and reversing the ditransmitted by means of acrank or cranks for hand-power,and is then, by intermediate coggearing,conveyed to one feedroll and to the shaft of the picker-drum, and byintermeshing cog-wheels fromfone feed-roll to the other feed-roll. Suchpickers place the operator who turns the crank so near to the dischargeend of the machine that he is seriously incon- Venienced by the dust,and, also, the coggearing makes the machine extremely danger-V ous tolife and limb, as thepicker-drum, to do its work properly,must be run ata very high rate of speed, and a short stoppage in case of danger oraccident is impossible.

I have done away in my machine with the employment of cog gearingaltogether, and

drive the rolls by belt-connection, which will easily slip.

Vhat I claim as my invention is l. The combination, with the revolving3o picker-drum audits stationary concave, of a removable hood carrying asecond concave, a pair of feed-rolls, and a feed-table, substantially asdescribed. l

2. The combination, with the revolving 35 picker-drum and its stationaryconcave, ofthe removable hood provided with the feed-table L andcarrying a second concave with a lesser number of picker-teeth than thestationary concave, and a pair of feed-rolls journaled in 4o said hoodand operating in'connection with' said pickerdrum. v

3. In apicker, the combination of the frame A, revolving picker-drum B,shaft B', drive- ,pulley M, pulleys N, hood having concave E, 45

Witnesses:

JAs. WHITTEMORE, H. S. SPRAGUE.

